Finding the Third Proportional to 5,729,281 and 8,285,539

Step by Step Solution

1. Step 1: Write the proportion equation
   5,729,281 : 8,285,539 = 8,285,539 : x
2. Step 2: Convert to fraction form
   5,729,281/8,285,539 = 8,285,539/x
3. Step 3: Cross multiply
   5,729,281x = 8,285,539 × 8,285,539
4. Step 4: Simplify right side
   5,729,281x = 68,650,156,520,521
5. Step 5: Solve for x
   x = 68,650,156,520,521/5,729,281
6. Step 6: Final answer
   x = 11,982,333.65